Subtract 50/45 from 81/54
1st number: 1 27/54, 2nd number: 1 5/45
81/54 - 50/45 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
50/45 = 50 × 6/45 × 6 = 300/270 - Subtract the two like fractions:
405/270 - 300/270 = 405 - 300/270 = 105/270 - After reducing the fraction, the answer is 7/18
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